Mining-machine



(No Model.)

B. YOCH.

3 Sheets-Sheet 1.

MINING MACHINE.

Patented Sept. 2, 1884.

A Aes,

N. PETERS. Phowumngnpher. wnshmgm D c.

(No Model.) -3 Sheets-Sheet 2.

B. YOCH.

MINING MACHINE. Q

No. 304,395. Patented Sept. 2, 1884.

FIGJZ.

(No Model.) 3 Sheets-Sheet 3.

B. YOCIII MINING MACHINE. N0.304,395. Patented sep1;.2, 1884.

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BENHARD YOOH, OF ST. LOUIS, MISSOURI.

MlgN'lNG-MACHINE.

vSPECIFICATION forming part' of Letters Patent No. 304,395, dated September 2, 1884.

Appnction ined July 31, iss. (No model.)

Torr/ZZ whom it may concern:

Bg it known that I, BENHARD YooH, 'of the city of St. Louis, in the State'of Missouri, havef invented a certain new and useful Mining Engine or Machine, of which the followingV is a specification, reference being-had to the ac-` Iheld-in position.' Fig. 7 is a detail section of Fig. 8 is a horizontal' asuspension-bracket. section'at 8 8, Fig. 2. Fig. 9 is a detail side elevation of the pick. Fig. 10 is a top View of the' pick part in horizontal section. f Fig. 11 is a top view of part of thefplatformpupon which the truck stands, the central part being open. One end is broken off. Fig. 12 is a yvertical longitudinal section through the dou` ble-piston cylinder. Fig13 is a side view of the truck, with the platform supported thereon; and Fig. 14 is a rear View of same, part in section.

rIhe platform upon which the truck-wheels stand consists of a frame, A, that may be of boiler-plate. turned upward, inward, and downward, to form rails, upon which. the wheels vare supported when the machine is in use. The frame A has an extension, A, consisting of rails a and connecting cross-bars or ties a2. The rails of the extension slide within 4the incurvedV edges or rails c of the part A. Thearrangementis 'such that .the partfAi canlbe moved fOrWardLasthe work; goes on, to form an extension fof the platform.'v .Thus it will not be necessary tol inovezforwardthepart .of the platform upon whichthe'truck stands. The rear ends, a, of the rails L incline downward toward the rails a of the) extension.

The truck is supported on four `iianged wheels, B, turning on axles or spindles C ,se-

brackets areattached to a hoop, H. "H is suspended.- upon a swivel-block,-I, that turns in a socket inthe upper bar of the 7C Fig. '15 is a top view of a side bar.

Ithas two opposite edges, a,

, cured to side bars D of the truck-frame and 5o -to the arch E. i IThe arch E is firmly attached to the side bars D at their forward ends.

E are 'uprights attached to the rear ends of the bars D', saiduprights being connected to the arch by side bars, D', extending fromtheir 55 upper ends..

F are braces, of which there is one upon each side, extending from the arch to the rear end-of the side bar D. The ends of the bars D are turned out, in bracketsDzupon which 6o the platform A A maybe lsup'portedlAwhen moving the machine from place top lace., The brackets D2 are made ywith 1 shoulders D3,- againstwhich the 'platform bears to prevent its transversemovenientf 65 A G are sliding brackets, movable upward and downward on thesides of the arch. -These The hoop hoop. l J is a suspension-chain extending through the block andhungto ascrew-rod, 1K, passing up through the top of the arch.'

- L L are hand-nutson'the rod K, the one 75 above and the other beneath-the arch.

J is a pin or key passing beneath the chain and through the swivel-block, to sustain the latter. I

M is a cross-barattached to or made in one 8o piece with the swivel=block, and ending in pins m, upon which are supported hangers N whose -lower parts have side channels that receive the Side bars O. The side bars are ernbraced by brackets P, extending from the sides of the 85 two cylinders Q. The cylinders can be moved longitudinally upon the side bars.

R are plates secured to the ends of the brackets by bolts r and l' bearing against the outer sides of the side bars O, so as to bind the bars 9o tight in their bearings. The side bars O, are made with channels, in which nt the handlebars S with sufficient freedom to allow their."V longitudinal movement in the channels. The

handles are held to the required position'in 95 the channels by a spring-catch, T, whose end passes through the handle and into one of a g series of holes, o, in the side bars. Y

t is a spring beneath the heel'of the catch, which tends to throw the catch into engagement with the bar O.

t is a pull-rod extending from the catch to the hand-hold s, for the purpose of pulling out the catch to disengage it from the bar O.

The cylinders Q, are arranged side by side. They have capacity for oscillation in a horizontal plane on the supporting chain and swivel J and Land in a vertical plane upon the pins m. Thus it will be seen that the cylinders have universal motion within the hoop H, and the hoop has vertical adjustment upon the arch E, as before described.

The engine would usually be actuated by compressed air, because steam would render the mine too hot and damp, but I do not confine myself to compressed air as a medium of power.

The piston of one cylinder is solid and fast upon the piston-rod 1, while the piston p of the other cylinder is hollow and has longitudinal movement upon an interior piston, 2, that is fast upon the rod 1. The pistonpl is in form of a cylinder having two bores, 3 and 4, of different diameter, one in advance of the other;

' and the piston 2 has two parts, 5 and 6, turned to fit the bores 3 and 4 of the cylindrical piston. The part 6 is fitted to its bore 4 with a packing, 7. The bores or chambers 3 and 4 communicate together by air passage o1' passages 8, entering the chambers at the heads p3 p* of the piston p. The construction is such Y that when the piston p first receives the pressure of the air upon its end it commences to move upon the lixed piston 2the air passing through the passage 8 from one chamber to another. \Vhen the end of the piston p has come in contact with the piston 2, they move together until the piston p has reached the end of the stroke. Then the piston 2 is carried on by its momentum and by the pressure of the air upon pistonp until the stroke is completed. y

p5 is a tube extending` from the movable piston p and fitting as a sleeve on the rod 1 ofthe piston 2. The piston rods and sleeve p5 pass through stuffing boxes Q3 and into a guide, 10, Ywithin which the sleeve ends, the `rods 1 extending` through and having attached to them a cross-head, 11, that forms the head to receive the shank of the drill or pick 12. The drill or pick 12 is preferably set nearly in line with the rod of the piston p.

13 is a scraper for the removal of the disintegrated material from the pick-hole, the scraper being folded against the pick when it is moving forward and being thrown outward therefrom before the commencement of the backward movement of the pick. To accomplish this automatic movement of the scraper, it is hinged to the cross-head at 14, and is connected by a rod, 15, to a stud, 16, extending from the sleeve p5 through a longitudinal slot in the guide 10.

The operation is as follows: Supposing the pick to have reached the end ofV the stroke, the loose piston p and the sleeve pf first commence to move backward and act, by means of the rod 15, to draw the scraper 13 out from the pick, to throw ont the loose material. These parts move back in this position until the loose piston p reaches about the end of its back-stroke; then, as the pistons p and 2 continue to move backward, the scraper is again folded against the pick. W'hen the piston p reaches the valve-stern rg-should it do so before its momentum is exhausted-the valves r of both cylinders are opened and the compressed air is admitted between the pistons p and p and the heads Q, to check the further backward movement ofthe pistons, (as aforesaid.) It will be observed that the piston p is made longer than that p, in accordance with the amount of its lost motion on the piston 2.

I will now describe a means provided to hold the engine proper to any desired inclination on the truck. This is done by means of the handles S and adjustable horizontal bars supported on the uprights E.

17 are collars sliding on the u prights E', and heldin position by set-screws 1S.

19 and 20 are bars, respectively above and below the handles S, by which the upward or downward movement of the handles may be limited, and.consequently the downward or upward movement of the pick.

21 are collars movable on the rod or bar 19, and held in place by set-screws 22. These collars may be used to limit the side movement of the handles.

I reserve the right to claim the matter relating to steam-engines and steam-drills in another application.

I claim as my inventionl 1. The combination of a cylinder, an inner piston having a piston rod provided with a drill-pick, a hollow piston and sleeve surrounding and between the inner piston and the piston-rod and the cylinder, and a scraper hinged to the piston-rod and connected to the sleeve, as set forth.

2. The combination of two cylinders placed side by side, two pistons, each piston having a piston-rod, a cross-head constructed to hold a drillpick, a scraper hinged to the crosshead, a hollow piston and sleeve intermediate of one piston and piston-rod, and cylinder, and means to connect the scraper to the sleeve, set forth.

3. In a mining-machine, the combination of a cylinder, a truck, an arch secured to the truck, brackets secured to the sides of the cylinder, a cross-bar journaled in said brackets and having a swivel-block, a suspensionchain secured to the swivel-block and rod, and nut supporting the-cylinder from the arch by means of the chain, swivel-block, and crossbar, as set forth.

IOO

IIO

handles, of the adjustable horizontal bars on Io the cylinder, having collars adj ustable on the nprights, as set forth. f

BENI-IARD YOGH.

Vitnesses;

SAML. KNIGHT, GEO. H. KNIGHT. 

